21368496

素因数分解:

$2^4\times 3^1\times {\mathrm{337}}^1\times {\mathrm{1321}}^1$

素因数の和:1669

約数の個数: 40

約数和(自身を含む): 55407664

約数和(自身を除く): 34039168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 337, 674, 1011, 1321, 1348, 2022, 2642, 2696, 3963, 4044, 5284, 5392, 7926, 8088, 10568, 15852, 16176, 21136, 31704, 63408, 445177, 890354, 1335531, 1780708, 2671062, 3561416, 5342124, 7122832, 10684248, 21368496]

約数ペア:

[(1, 21368496), (2, 10684248), (3, 7122832), (4, 5342124), (6, 3561416), (8, 2671062), (12, 1780708), (16, 1335531), (24, 890354), (48, 445177), (337, 63408), (674, 31704), (1011, 21136), (1321, 16176), (1348, 15852), (2022, 10568), (2642, 8088), (2696, 7926), (3963, 5392), (4044, 5284)]